SPOKANE — A Delta Air Lines flight from Seattle to Atlanta has been diverted to Spokane International Airport after a 16-year-old boy died on board. Airport spokesman Todd Woodard says the teen suffered some kind of medical emergency on Flight 128 Saturday morning and passed away, reportedly of natural causes. Delta spokesman Michael Thomas says there were 258 passengers on the Boeing 767. They exited the aircraft at Spokane, and some were being rebooked onto other flights to get to their destinations. Delta was flying in another crew Saturday afternoon to fly the remaining passengers to Atlanta.